Games like SEPTEMBER 1999 on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like SEPTEMBER 1999 are available at the bottom of the page.
Most played games like SEPTEMBER 1999 on Steam
Take a look at the top games like SEPTEMBER 1999 that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. Phasmophobia
Similarity 54% Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can. Phasmophobia is a horror, online co-op and multiplayer game developed and published by Kinetic Games. Released on September 18th 2020 has received 768,779 reviews of which 736,611 were positive and 32,168 were negative resulting in an impressive rating of 9.5 out of 10. The game has hit the top spot as the #1 most played game like SEPTEMBER 1999, thanks to its 13,083 peak concurrent players over the last day.2. The Outlast Trials
Similarity 51% Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same? The Outlast Trials is a horror, multiplayer and co-op game developed and published by Red Barrels. Released on March 05th 2024 has received 66,956 reviews of which 62,533 were positive and 4,423 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 3,501 players online at once in the last 24 hours, this game is currently ranked #2 among games like SEPTEMBER 1999 based on player count.3. SCP: Secret Laboratory
Similarity 58% Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 214,309 reviews of which 195,923 were positive and 18,386 were negative resulting in an impressive rating of 9.0 out of 10. While seeing 3,252 players online at once in the last 24 hours, this game is currently ranked #3 among games like SEPTEMBER 1999 based on player count.4. Cats
Similarity 50% Cats — and that says it all. Interactive cat clicker. Click on cats for new cats. That's all, really. Cats is a clicker, free to play and psychological horror game developed and published by 100 Cozy Games and Cats. Released on May 21st 2024 has received 4,162 reviews of which 3,242 were positive and 920 were negative resulting in a rating of 7.6 out of 10. With 1,508 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like SEPTEMBER 1999.5. Escape the Backrooms
Similarity 55% Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse through eerie backrooms levels while avoiding entities and other danger to try and escape. Free content updates with new levels and game modes keep the community rewarded. Escape the Backrooms is a horror, multiplayer and online co-op game developed and published by Fancy Games. Released on August 11th 2022 has received 102,529 reviews of which 93,330 were positive and 9,199 were negative resulting in a rating of 9.0 out of 10. With 1,283 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like SEPTEMBER 1999.6. Buckshot Roulette
Similarity 55% Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck! Buckshot Roulette is a multiplayer, dark and gambling game developed by Mike Klubnika and published by CRITICAL REFLEX. Released on April 04th 2024 has received 95,541 reviews of which 91,745 were positive and 3,796 were negative resulting in an impressive rating of 9.5 out of 10. With 978 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like SEPTEMBER 1999.7. Gorilla Tag
Similarity 50% Run, jump, and climb using only your hands. Play tag or infection with people online. Run away from the infected players, or outmaneuver the survivors to catch them. Embrace your inner ape. Gorilla Tag is a vr, psychological horror and multiplayer game developed and published by Another Axiom Inc.. Released on January 01st 2023 has received 71,163 reviews of which 64,966 were positive and 6,197 were negative resulting in a rating of 9.0 out of 10. With 906 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like SEPTEMBER 1999.8. Backrooms: Escape Together
Similarity 54% A visually lifelike co-op horror for 1-6 people. Journey through 9 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms. Backrooms: Escape Together is a multiplayer, horror and psychological horror game developed and published by Triiodide Studios. Released on October 18th 2022 has received 22,769 reviews of which 19,915 were positive and 2,854 were negative resulting in a rating of 8.6 out of 10. With 832 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like SEPTEMBER 1999.9. Poppy Playtime
Similarity 57% You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. Poppy Playtime is a horror, free to play and singleplayer game developed and published by Mob Entertainment. Released on October 12th 2021 has received 98,914 reviews of which 84,113 were positive and 14,801 were negative resulting in a rating of 8.4 out of 10. With 749 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like SEPTEMBER 1999.10. Cry of Fear
Similarity 75% Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness. Cry of Fear is a horror, free to play and multiplayer game developed and published by Team Psykskallar. Released on April 25th 2013 has received 74,408 reviews of which 65,852 were positive and 8,556 were negative resulting in a rating of 8.7 out of 10. With 484 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like SEPTEMBER 1999.Best deals on games like SEPTEMBER 1999 on Steam
Discover fantastic savings with the best discounts on a variety of games like SEPTEMBER 1999 available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like SEPTEMBER 1999.
1. In Sound Mind
Similarity 51% In Sound Mind is an imaginative first-person psychological horror with frenetic puzzles, unique boss fights, and original music by The Living Tombstone. Journey within the inner workings of the one place you can’t seem to escape—your own mind. In Sound Mind is a horror, psychological horror and story rich game developed by We Create Stuff and published by Maximum Entertainment. Released on September 28th 2021 has received 5,812 reviews of which 5,535 were positive and 277 were negative resulting in an impressive rating of 9.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like SEPTEMBER 1999.2. Ad Infinitum
Similarity 59% When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity? Ad Infinitum is a horror, action and psychological horror game developed by Hekate and published by Nacon. Released on September 14th 2023 has received 934 reviews of which 750 were positive and 184 were negative resulting in a rating of 7.6 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like SEPTEMBER 1999.3. The Beast Inside
Similarity 60% The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment. The Beast Inside is a horror, adventure and first-person game developed and published by Illusion Ray. Released on October 17th 2019 has received 11,355 reviews of which 9,414 were positive and 1,941 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in games like SEPTEMBER 1999.4. Maid of Sker
Similarity 53% Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe! Maid of Sker is a horror, adventure and action game developed and published by Wales Interactive. Released on July 28th 2020 has received 2,218 reviews of which 1,754 were positive and 464 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like SEPTEMBER 1999.5. The Blackout Club
Similarity 67% The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed. The Blackout Club is a horror, co-op and indie game developed and published by Question. Released on July 29th 2019 has received 2,847 reviews of which 2,214 were positive and 633 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like SEPTEMBER 1999.6. Outlast 2
Similarity 56% Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it. Outlast 2 is a horror, psychological horror and survival horror game developed and published by Red Barrels. Released on April 24th 2017 has received 55,500 reviews of which 50,676 were positive and 4,824 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 97% discount, this title has earned the #6 position in the best deals for games like SEPTEMBER 1999.7. The Letter - Horror Visual Novel
Similarity 53% When seven people fall prey to a vicious curse, they will discover that horror rests not from the shadows lurking about, but within themselves. To what ends will one go in order to survive? The Letter - Horror Visual Novel is a visual novel, horror and choices matter game developed and published by Yangyang Mobile. Released on July 24th 2017 has received 1,448 reviews of which 1,249 were positive and 199 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #7 position in the best deals for games like SEPTEMBER 1999.8. Doorways: Holy Mountains of Flesh
Similarity 58% Doorways: Holy Mountains of Flesh is an Immersive Horror Adventure, featuring a Complex Story and Deep Atmosphere. Doorways: Holy Mountains of Flesh is a horror, adventure and action game developed and published by Saibot Studios. Released on August 10th 2016 has received 458 reviews of which 364 were positive and 94 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 97% discount, this title has earned the #8 position in the best deals for games like SEPTEMBER 1999.9. Remothered: Tormented Fathers
Similarity 50% Remothered: Tormented Fathers is the pure and realistic survival horror videogame Remothered: Tormented Fathers is a action, horror and female protagonist game developed and published by Stormind Games. Released on January 30th 2018 has received 2,195 reviews of which 1,627 were positive and 568 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like SEPTEMBER 1999.10. Kholat
Similarity 54% The most terrifying journey of your life set in the beautiful winter scenery of the Ural Mountains. Uncover the horrific mystery behind the Dyatlov Pass Incident. Narrated by the famous Sean Bean. Kholat is a horror, atmospheric and walking simulator game developed and published by IMGN.PRO. Released on June 09th 2015 has received 6,723 reviews of which 4,485 were positive and 2,238 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like SEPTEMBER 1999.Free games like SEPTEMBER 1999 on Steam
Check out this fantastic list of free-to-play games like SEPTEMBER 1999 you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like SEPTEMBER 1999.